" Liu wrote that the restaurant served food that was too salty, the place was unsanitary because there were cockroaches and that the owner was a bully because he let customers park their cars haphazardly, leading to traffic jams"

We don't know the full facts. The media pick up on the salty thing and report that and nothing else, and don't see that this may have grudge behind it. She sounds to me like she had an axe to grind, and it bit her on the bum.